Download What is DNA?

Genetics
DNA
DNA
Key Question: What is DNA?
Initial Thoughts:
Evidence: Bill Nye Video
• Bill Nye Video – Genes
• Bill Nye Genes - Part 2
• Tape in your Bill Nye: Genes Worksheet
DNA – Deoxyribonucleic acid
• The DNA molecule looks like a twisted
ladder. This is called a double helix.
• The stairs of the ladder are formed by pairs
of nitrogen bases.
• There are 4 kinds of nitrogen bases.
• The arrangement of the bases determines
the genetic code.
Analysis Questions
1. What does DNA stand for?
2. Where is DNA located in the cell?
3. Where does our DNA come from and how
much from each parent?
Summary
• What did you think DNA was before this lesson?
• What did you learn about DNA from this
lesson? (Minimum of 4 sentences!!!
• What are some further thoughts or
questions you have about ecosystems?
Reflection
• Create a magazine ad
advertising DNA.
Big Idea
• DNA is a strand of genes that is
located in the nucleus of
eukaryotic cells and determines
our traits.